From 136ef85ba352c0991888c7fa720bd3db9764e3bd Mon Sep 17 00:00:00 2001
From: Yulong Wang <2302147681@qq.com>
Date: Sat, 5 Jul 2025 03:21:42 +0000
Subject: [PATCH] [signal]: fix spinlock leak in rt_thread_handle_sig()

---
 src/signal.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/signal.c b/src/signal.c
index b33e24220e..d4a4e2ef4d 100644
--- a/src/signal.c
+++ b/src/signal.c
@@ -499,6 +499,7 @@ void rt_thread_handle_sig(rt_bool_t clean_state)
             }
             else
             {
+                rt_spin_unlock_irqrestore(&_thread_signal_lock, level);
                 return;
             }
         }